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A steady-state three-dimensional multiphase hydrodynamic model based on the kinetic theory of granular flow is developed to investigate the distributions of solid concentration, flow velocity, granular pressure, and wall shear stress in multi-sized slurry (two particle sizes, dp = 0.125 mm and 0.44 mm, equal fraction by mass) transport by pipelines (D = 54.9 mm). The trends of the variation in transport...
The existing formulas for calculating the pipeline transport resistances of granular materials are mostly based on the experimental data for single-sized or regularly graded particles. Consequently, it is necessary to simplify the in-situ distribution using an equivalent size, such as the median particle size (d50), arithmetic mean size (dm), or harmonic average size (dk), in the sediment transport...
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